[mapserver-users] network analysis in mapserver

[woodbri at swoodbridge.com]

On 17 Jul 2002 at 16:37, Roberto Micarelli wrote:

> > I would like this also. The big problem is that good routing requires
> > GOOD data and GOOD data cost lots of money. I was thinking that it
> > would be possible to build digraphs using NavTech data and then sell
> > the routing and driving directions to NavTech Users or similarly to
> > ESRI users as a lower priced solution.
> >
> 
> I've been spending a lot of time in studying navtech database specifications. 
> I wrote a experimantal application to import and use it to a 
> PostgreSQL/PostGIS database. I had this possibility thanks to a company for 
> which I worked that owned navtech licences. I also tryed to contact navtech 
> sales and ask for support in integrating their db to write a GRASS module... 
> They answered me telling that my request will be answered later... Nothing 
> more :(
> I would like to ask somebody some things about the navtech specification, do 
> you know that?

I worked with navtech data while sub-contracting for a client in 
Italy. I have read their specs and might be able to answer some 
questions. Contact me off list and we can talk.

-Steve